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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sentinel - Sr. Principal Engineer Systems - **Company:** Northrop Grumman - **Location:** Huntsville, AL, United States - **Experience:** Expert - **Salary:** $116,350.0 - $210,325.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Verification and Validation (Software), Systems Integration, SC Clearance, Integration Tests - **Published:** September 20, 2026 - **Apply:** https://www.careerjet.com/job/usd984d6f9f8b3785668bad61ba0f743a9/eaa ## About the Role * 8 Years of related experience with bachelor's degree in engineering or a related technical discipline; 6 Years with Masters; 4 Years with PhD * Must be a US Citizen with an active DoD Secret Clearance with an investigation date within the last 6 years * Must be able to be successfully screened for Enhanced Security Clearances, within a reasonable amount of time as determined by the company to meet its business needs * Minimum 2 years working experience on ICBMs * Minimum 2 years Systems Engineering experience * Minimum 2 years of DOORS or related experience * Direct development experience of interface products (IRS, IDD, ICD) and requirement specifications * Demonstrated proficiency in analytical thinking and problem-solving skills and Systems Thinking mindset * Experience with creating and executing to schedule & technical recovery plans * Experience working across program organizations to find solutions * Excellent decision making and communication (written and oral) skills Preferred Qualifications: * Past/Active employment with MMIII or Sentinel Weapon Systems * Experience contributing towards various phases of a program lifecycle * Experience contributing towards various phases of the Systems Engineering "V" lifecycle * Experience with developing architectural diagrams * Earned Value Management experience * Risk Management experience * Experience with team leadership/management ## Description * Lead Integration activities in support of systems-of-systems integration which may include integration test planning, problem identification and reporting, integration event execution, coordination with multiple stakeholders to facilitate effective and efficient communication * Ensure appropriate coordination between SEIT and other systems interface teams * Be proficient in the development of key system engineering artifacts such as requirement specifications and interface definition documents * Participate in technical planning, verification and validation development, cost and risk considerations, and requirements analyses for integrated systems * Perform trades studies, analysis and/or impact studies to resolve cost/capability gaps or disconnects * Demonstrate leadership principles - Integrity, respect, organizational, communication, etc. * Work independently with minimum supervision, positive demeanor and highest ethics, Description Leidos is seeking a Solid Propulsion Development Engineer to lead and oversee work on a hypersonics vehicle and other programs, joining a diverse team that develops p… + 1 month ago ## Related Videos - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) - [Building Reliable Serverless Applications with AWS CDK and Testing](https://www.wearedevelopers.com/videos/812-building-reliable-serverless-applications-with-aws-cdk-and-testing) - [Building the Right Product and Building It Right: A Glimpse into Extreme Programming, Atomic Design ](https://www.wearedevelopers.com/videos/398-building-the-right-product-and-building-it-right-a-glimpse-into-extreme-programming-atomic-design) - 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